ISSN 0439-755X
CN 11-1911/B
主办:中国心理学会
   中国科学院心理研究所
出版:科学出版社

心理学报 ›› 2023, Vol. 55 ›› Issue (5): 671-684.doi: 10.3724/SP.J.1041.2023.00671

• 研究报告 •    下一篇

内源性空间线索有效性对老年人视听觉整合的影响

高玉林1, 唐晓雨2, 刘思宇3, 王爱君4(), 张明5,6()   

  1. 1吉林大学心理学系, 长春 130012
    2辽宁师范大学心理学院, 辽宁省儿童青少年健康人格评定与培养协同创新中心, 大连 116029
    3宁波职业技术学院, 浙江 宁波 315800
    4苏州大学心理学系, 心理与行为科学研究中心, 江苏 苏州 215123
    5苏州科技大学心理学系, 心理与行为科学研究中心, 江苏 苏州 215009
    6日本国立冈山大学健康系统统合研究院, 冈山 700-8530
  • 收稿日期:2022-02-18 发布日期:2023-02-14 出版日期:2023-05-25
  • 通讯作者: 王爱君, E-mail: ajwang@suda.edu.cn;张明, E-mail: psyzm@suda.edu.cn
  • 作者简介:第一联系人:高玉林和唐晓雨同为第一作者
  • 基金资助:
    教育部人文社科项目(22YJC190005);教育部人文社科项目(22YJC190020);国家自然科学基金(31871092);日本学术振兴会(JSPS)基础研究项目(20K04381);苏州大学人文社科青年交叉团队(2022)

Effects of endogenous spatial cue validity on audiovisual integration in older adults

GAO Yulin1, TANG Xiaoyu2, LIU Siyu3, WANG Aijun4(), ZHANG Ming5,6()   

  1. 1Department of Psychology, Jilin University, Changchun 130012, China
    2School of Psychology, Liaoning Collaborative Innovation Center of Children and Adolescents Healthy Personality Assessment and Cultivation, Liaoning Normal University, Dalian 116029, China
    3Ningbo Polytechnic, Ningbo 315800, China
    4Department of Psychology, Research Center for Psychology and Behavioral Sciences, Soochow University, Suzhou 215123, China
    5Department of Psychology, Suzhou University of Science and Technology, Suzhou 215009, China
    6Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama 700-8530, Japan
  • Received:2022-02-18 Online:2023-02-14 Published:2023-05-25

摘要:

视听觉整合是将视觉和听觉信息整合成为统一、连贯且稳定的知觉过程。研究采用内源性线索−靶子范式, 探讨了不同内源性空间线索有效性对老年人视听觉整合的影响, 以及不同线索有效性条件下老年人和青年人视听觉整合的差异。结果表明, (1)无论线索有效性的高低, 老年人的视听觉整合均弱于青年人; (2)低线索有效性(50%)条件下, 老年人和青年人在有效线索条件下视听觉整合效应均与无效线索条件下没有差异; (3)中线索有效性(70%)条件下, 老年人在有效线索条件下视听觉整合效应与无效线索条件下没有差异, 青年人在有效线索条件下视听觉整合效应显著高于无效线索条件; (4)高线索有效性(90%)条件下, 老年人和青年人在有效线索条件下视听觉整合效应均显著高于无效线索条件。研究结果支持了空间不确定性假说, 并且进一步揭示了内源性注意与视听觉整合的交互作用, 明确了不同线索有效性条件下内源性空间注意定向收益的不同是导致老年人与青年人视听觉整合差异的原因之一。

关键词: 内源性空间注意, 视听觉整合, 老年人, 线索有效性

Abstract:

Audiovisual integration is the integration of visual and auditory information into a unified, coherent and stable perceptual process. Although endogenous spatial attention can promote audiovisual integration in youth, studies have found differences in endogenous spatial attention between older adults and youth. It is unclear how endogenous spatial attention affects audiovisual integration in older adults and how audiovisual integration differs between older adults and young adults under endogenous spatial attention conditions. In this study, using the endogenous cue-target paradigm, three experiments investigated how endogenous spatial attention affects the audiovisual integration of elderly individuals under 50% (Experiment 1), 70% (Experiment 2), and 90% (Experiment 3) conditions.

A mixed 2 (participant type: elderly vs. young) × 2 (cue type: valid cue vs. invalid cue) × 3 (target stimulus type: A vs. V vs. AV) experimental design was used. The visual stimulus was a 2° × 2° red (RGB: 234, 86, 97) and yellow (RGB: 247, 200, 125) intersecting meta−pattern, the auditory stimulus was a 1600 Hz, 60 dB sinusoidal tone presented by ear headphones, and the audiovisual stimulus was visual and auditory stimuli presented simultaneously on the same side. The gaze screen was presented for 500 ms, followed by a cue screen for 200 ms. The cue was an arrow pointing left or right. After a time interval of 600 ms, the target stimulus (A vs. V vs. AV) was presented in a box on the left or right side for 100 ms. Before the experiment, participants were informed that the cue validity was 50% for Experiment 1, 70% for Experiment 2, and 90% for Experiment 3 and were asked to judge the orientation of the target stimulus and to press the (N/M) key quickly and accurately.

From the reaction time results, it is clear that the reaction time of elderly people is significantly slower than that of younger people. From the relative amount of multisensory response enhancement (rMRE) and race model results, we can see that (1) audiovisual integration was weaker in older adults than in younger adults regardless of cue validity; (2) at 50% cue validity (Experiment 1), audiovisual integration in the valid cue condition was not significantly different from that in the invalid cue condition for both older and younger adults; (3) at 70% cue validity (Experiment 2), audiovisual integration in the valid cue condition was not significantly different from that in the invalid cue condition for older adults, and audiovisual integration in the valid cue condition was significantly higher than that in the invalid cue condition for younger adults; and (4) at 90% cue validity (Experiment 3), audiovisual integration in the valid cue condition was significantly higher than that in the invalid cue condition for both older and younger adults.

Endogenous spatial attention had different moderating effects on audiovisual integration in older adults under different cue validity conditions and could promote audiovisual integration in older adults under high cue validity conditions. The findings further support the spatial uncertainty hypothesis and deepen the understanding of the interaction between endogenous attention and audiovisual integration.

Key words: endogenous spatial attention, audiovisual integration, older adult, cue validity

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